Factory and Activities
Specifications
General Information
| Property | Detail |
|---|---|
| Product Name | Modified PA66 (25% Glass Fiber Reinforced) |
| Product Code | BT-PA66GF25-BK |
| Polymer Type | Polyamide 66 (PA66) |
| Filler | 25% Short Glass Fiber |
| Appearance | Black Pellets |
| CAS No. — PA66 Resin | 32131-17-2 |
| CAS No. — Glass Fibre | 65997-17-3 |
| Manufacturer | Zhejiang Bastone Technology Co., Ltd |
Technical Properties
| Property | Test Method | Test Condition | Unit | Typical Value |
|---|---|---|---|---|
| Physical | ||||
| Filler content | ISO 3451 | — | % | 25 |
| Specific gravity | ISO 1183 | 23°C | g/cm³ | 1.32 |
| Mold shrinkage | ISO 294 | 23°C | % | 0.3–0.6 |
| Water absorption | ISO 62 | 23°C, 24h, 2mm | % | 0.7 |
| Mechanical | ||||
| Tensile strength | ISO 527 | 5 mm/min | MPa | 145 |
| Flexural strength | ISO 178 | 2 mm/min | MPa | 205 |
| Flexural modulus | ISO 178 | 2 mm/min | MPa | 6,500 |
| Impact strength, notched | ISO 179 | 23°C | kJ/m² | 18 |
| Impact strength, unnotched | ISO 179 | 23°C | kJ/m² | 58 |
| Thermal | ||||
| Heat distortion temp. | ISO 75 | 1.80 MPa | °C | 249 |
| Melting point | — | — | °C | 258–264 |
| Flammability | ||||
| Flammability rating | UL 94 | — | Class | HB |
| Electrical | ||||
| Surface resistivity | IEC 60093 | — | Ω·cm | 10¹⁵ |
All values are typical data for reference only. Batch-specific values are provided in the Certificate of Analysis.
Recommended Processing Conditions
| Parameter | Typical | Range |
|---|---|---|
| Barrel Temp — Rear | 270°C | 260–280°C |
| Barrel Temp — Center | 280°C | 270–290°C |
| Barrel Temp — Front | 290°C | 280–310°C |
| Mold Temperature | 60°C | 65–90°C |
| Processing Temp. Limit | 315°C | — |
| Injection Speed | Medium-High | — |
| Injection Pressure | — | 50–100 MPa |
| Packing Pressure | — | 30–50 MPa |
| Packing Time | — | 1–5 s |
| Pre-Drying | 90–120°C, 4–6 h | — |
Adjust parameters according to machine model, mold geometry, and part wall thickness.
Applications
Automotive engineers specify glass-reinforced PA66 for under-hood structural components where sustained heat exposure would deform lower-temperature thermoplastics. BT-PA66GF25-BK's 249°C heat distortion temperature provides the thermal margin needed for brackets, connector housings, cooling system parts, and fan shroud assemblies that sit close to engine heat sources. Low mold shrinkage supports the dimensional repeatability required when molding connector bodies and clip systems where fit-to-assembly tolerances are tight.
Electrical and electronics manufacturers use the grade for relay bases, switch enclosures, and terminal blocks where structural integrity and electrical isolation must coexist. A surface resistivity of 10¹⁵ Ω·cm confirms adequate insulating behavior for standard low-voltage applications. Buyers specifying flame-retardant performance for regulated end-product categories should note that the HB UL 94 rating satisfies general-purpose enclosure requirements — grades with V-0 or V-2 ratings are the appropriate selection for applications under stricter fire-safety classification.
Industrial equipment applications — gears, pulleys, load-bearing clips, motor housings, and pump components — benefit from the stiffness-to-weight ratio a 25% glass-filled PA66 delivers at moderate cost relative to metals. At 6,500 MPa flexural modulus and 145 MPa tensile strength, the grade supports direct metal substitution in moderate-load structural functions, cutting component weight without reducing the mechanical safety margin the design requires.
Handling, Storage & Safety Guidelines
BT-PA66GF25-BK is classified as a Class III hazard material and presents no significant health risk in solid pellet form under normal handling conditions. Contact with pellets or airborne dust during processing may cause mild skin or eye irritation. Wearing gloves and protective goggles during handling is recommended. Wash hands and face before eating after working with the material.
Store in a cool, dry, ventilated location, away from direct sunlight, open flame, and heat sources. Storage temperatures above 60°C risk thermal decomposition and may generate irritant gases. Keep the material separated from antioxidants. Storage areas should carry appropriate fire-fighting equipment and containers for leakage collection. Approved extinguishing media: water spray, foam, dry chemical, CO₂, or sand.
Pre-drying at 90–120°C for 4–6 hours before injection molding is required. Moisture absorbed during storage or transit will cause hydrolytic degradation during barrel residence, producing surface defects and reducing molecular weight in the molded part. The maximum processing temperature is 315°C; exceeding this limit risks polymer degradation and mold deposit build-up.
Why Source Through BASTONE
Zhejiang Bastone Technology Co., Ltd manufactures BT-PA66GF25-BK at its Hangzhou facility, giving buyers direct access to the production entity rather than an intermediary. Shipment documentation is traceable to raw material lots — PA66 resin sourced from China's leading producers and glass fiber from qualified suppliers — and each delivery includes a full COA, MSDS, and any import-country regulatory documentation the buyer requires. BASTONE's listed distributor relationship with SINOPEC extends across the broader product portfolio, giving procurement teams a single-source channel for both modified compounds and base petrochemical feedstocks.
The parent group operates 1 R&D center alongside its 4 manufacturing sites, which means technical staff can address grade selection questions with process-level context, not just datasheet comparison. Engineers evaluating GF15 versus GF25 loading, or assessing where a flame-retardant variant is necessary versus where the HB-rated grade suffices, can engage with a team that understands the compound's performance rationale and the downstream application constraints driving the decision.
Export operations run through BASTONE's professional trade platform, which handles customs classification, shipping documentation, and trade-term structuring adapted to the buyer's import requirements. FOB, CIF, and DAP terms are available. Samples for material qualification are available to buyers who need to run internal testing before committing to production quantities.
Sourcing & Logistics
| Parameter | Detail |
|---|---|
| Supply Origin | Hangzhou, Zhejiang, China |
| Port of Loading | Shanghai / Ningbo |
| Export Entity | Zhejiang Bastone Technology Co., Ltd |
| Packaging | 25 kg bags (standard); bulk packaging on request |
| Trade Terms | FOB, CIF, DAP — by order |
| Documentation | COA, MSDS, commercial invoice, packing list; additional regulatory docs on request |
| Sample Availability | Available for qualified buyers |
| Emergency Contact | +86-571-86711106 |